Finding the Fourth Proportional to 329,643.19, 494,464.74 and 119,231.92
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Solution
The fourth proportional to 329,643.19, 494,464.74 and 119,231.92 is: 178,847.86
Step by Step Solution
- Step 1: Write the proportion equation
329,643.19 : 494,464.74 = 119,231.92 : x - Step 2: Convert to fraction form
329,643.19/494,464.74 = 119,231.92/x - Step 3: Cross multiply
329,643.19x = 494,464.74 × 119,231.92 - Step 4: Simplify right side
329,643.19x = 58,955,980,322.50 - Step 5: Solve for x
x = 58,955,980,322.50/329,643.19 - Step 6: Final answer
x = 178,847.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.